Notice to Members
Notice No. 451
09/27/2007
New Margin Rates and Tiers for New Crude Oil Swap Futures Contracts
EFFECTIVE DATE: Monday, October 1, 2007 (close of business)

FUTURES CONTRACTS:
LLS (Platts) Calendar Swap XL
LLS (Platts) Trade Month Swap XT
LLS (Argus) Calendar Swap XA
LLS (Argus) Trade Month Swap LI
Mars (Platts) Calendar Swap MV
Mars (Platts) Trade Month Swap MZ
Mars (Argus) Calendar Swap MX
Mars (Argus) Trade Month Swap MO
WTS (Platts) Calendar Swap PR
WTS (Platts) Trade Month Swap PV
WTS (Argus) Calendar Swap XB
WTS (Argus) Trade Month Swap AY
LLS (Platts) vs. WTI Spread Calendar Swap WH
LLS (Platts) vs. WTI Spread Trade Month Swap WI
LLS (Argus) vs. WTI Spread Calendar Swap WJ
LLS (Argus) vs. WTI Spread Trade Month Swap WK
Mars (Platts) vs. WTI Spread Calendar Swap WL
Mars (Platts) vs. WTI Spread Trade Month Swap WP
Mars (Argus) vs. WTI Spread Calendar Swap YX
Mars (Argus) vs. WTI Spread Trade Month Swap YV
WTS (Platts) vs. WTI Spread Calendar Swap PZ
WTS (Platts) vs. WTI Spread Trade Month Swap XE
WTS (Argus) vs. WTI Spread Calendar Swap FF
WTS (Argus) vs. WTI Spread Trade Month Swap FH
CONTRACT MONTHS: All Months

Outright (Scan) Spread Tiers for XL, XT, XA, LI, MV,
MZ, MX, MO, PR, PV, XB, AY, WH, WI, WJ, WK, WL, WP, YX, YV, PZ, XE, FF and FH
 
Tiers
New
1
All Months


NYMEX Division Outright (Scan) Margin on XL, XT, XA, LI, MV,
MZ, MX, MO, PR, PV, XB, AY, WH, WI, WJ, WK, WL, WP, YX, YV, PZ, XE, FF and FH
 
Commodity
Clearing Member / Maintenance Margin
Member Customer Initial Margin
Non-Member Customer Initial Margin
 
New
New
New
XL
3000
3300
4050
XT
3000
3300
4050
XA
3000
3300
4050
LI
3000
3300
4050
MV
3000
3300
4050
MZ
3000
3300
4050
MX
3000
3300
4050
MO
3000
3300
4050
PR
3000
3300
4050
PV
3000
3300
4050
XB
3000
3300
4050
AY
3000
3300
4050
WH
600
660
810
WI
600
660
810
WJ
600
660
810
WK
600
660
810
WL
600
660
810
WP
600
660
810
YX
600
660
810
YV
600
660
810
PZ
600
660
810
XE
600
660
810
FF
600
660
810
FH
600
660
810


Intra-Commodity Spread Tiers for XL, XT, XA, LI, MV,
MZ, MX, MO, PR, PV, XB, AY, WH, WI, WJ, WK, WL, WP, YX, YV, PZ, XE, FF and FH
 
Tiers
New
1
All Months


NYMEX Division Intra-Commodity Spread Margins on XL, XT, XA, LI, MV,
MZ, MX, MO, PR, PV, XB, AY, WH, WI, WJ, WK, WL, WP, YX, YV, PZ, XE, FF and FH
 
Commodity
Clearing Member / Maintenance Margin
Member Customer Initial Margin
Non-Member Customer Initial Margin
 
New
New
New
XL
400
440
540
XT
400
440
540
XA
400
440
540
LI
400
440
540
MV
400
440
540
MZ
400
440
540
MX
400
440
540
MO
400
440
540
PR
400
440
540
PV
400
440
540
XB
400
440
540
AY
400
440
540
WH
100
110
135
WI
100
110
135
WJ
100
110
135
WK
100
110
135
WL
100
110
135
WP
100
110
135
YX
100
110
135
YV
100
110
135
PZ
100
110
135
XE
100
110
135
FF
100
110
135
FH
100
110
135
Should you have any questions or require any further information, please contact exchangeinfo@nymex.com